Bridgestone Battlax Hypersport S-21 Rear Motorcycle Tires - 190/55ZR-17 5487 Sport touring radial design for touring-oriented riders The luxury feel is provided by the combined advantages of both sport and touring tires The use of the tire and other vehicle data and information accessible through this webpage is limited to persons located in the United States of America and Canada.ALTHOUGH THE DATA IS BELIEVED TO BE ACCURATE, NO WARRANTY OR GUARANTEE IS MADE REGARDING THE QUALITY OR ACCURACY OF THE DATA.All data should be verified by a tire professional, the vehicle placard (typically located on an inside door panel or on frame), and/or the vehicle owners manual.